Warmest month (with highest average high temperature) is July (73°F).
Month with lowest average high temperature is January (34°F).
Months with highest average low temperature are July and August (52°F).
Coldest month (with lowest average low temperature) is January (21°F).
Wettest month (with highest rainfall) is December (3.5").
Driest month (with lowest rainfall) is September (1.7").
Month with highest number of rainy days is May (11 days).
Month with lowest number of rainy days is September (5 days).
Months with longest days are May, June and July (Average daylight: 15).
Month with shortest days is December (Average daylight: 9).
Months with most sunshine are July and August (Average sunshine: 10).
Months with least sunshine are January, November and December (Average sunshine: 4).
Months with highest UV index are June and July (UV index 9).
Month with lowest UV index is December (UV index 1).